/usr/ is in libcolorhug-dev 1.2.12-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/ColorHug-1.0.gir
/usr/share/doc/
/usr/share/doc/libcolorhug-dev/
/usr/share/doc/libcolorhug-dev/copyright
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/colorhug.pc
/usr/include/
/usr/include/colord-1/
/usr/include/colord-1/colorhug/
/usr/include/colord-1/colorhug/ch-math.h
/usr/include/colord-1/colorhug/colorhug.h
/usr/include/colord-1/colorhug/ch-hash.h
/usr/include/colord-1/colorhug/ch-device-queue.h
/usr/include/colord-1/colorhug/ch-device.h
/usr/include/colord-1/colorhug/ch-version.h
/usr/include/colord-1/colorhug/ch-inhx32.h
/usr/include/colord-1/colorhug/ch-common.h
/usr/share/doc/libcolorhug-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libcolorhug.so